<template>
	<view class="cart" v-if="cart.length !== 0">
		
		<!-- 收货地址 -->
		<my-address></my-address>
		
		<!-- 标题 -->
		<view class="cart-title">
			<!-- 左侧图标 -->
			<uni-icons type="shop" size="18"></uni-icons>
			<!-- 右侧文本 -->
			<text class="cart-title-text">购物车</text>
		</view>
		
		<!-- 商品区域 -->
		<!-- 滑动删除项 -->
		<uni-swipe-action>
			<!-- 循环渲染购物车数据 -->
			<block v-for="(goods,i) in cart" :key="i">
				<uni-swipe-action-item :right-options="options" @click="swipeActionClickHandler(goods)">
					<my-goods :goods="goods" :show-radio="true" :show-num="true"
						@radio-change="radioChangeHandler" @num-change="numChangeHandler">
					</my-goods>
				</uni-swipe-action-item>
			</block>
		</uni-swipe-action>
		
		<!-- 结算组件 -->
		<my-settle></my-settle>
		
	</view>
	
	<!-- 空空如也的购物车 -->
	<view class="empty-cart" v-else>
		<image src="../../static/cart_empty.png" class="empty-img"></image>
		<text class="tip-text">空空如也~</text>
	</view>
</template>

<script>
	import tabbarBadge from '../../mixins/tabbar-badge';
	import {mapState,mapMutations} from 'vuex'
	export default {
		mixins: [tabbarBadge],
		data() {
			return {
				options: [
					{
						text:'删除',
						style: {
							backgroundColor:'#C00000'
						}
					}
				]
			};
		},
		computed: {
			...mapState('m_cart',['cart'])
		},
		methods: {
			...mapMutations('m_cart',['updateGoodsState','updateGoodsCount','removeGoodsById']),
			radioChangeHandler(e) {
				this.updateGoodsState(e)
			},
			numChangeHandler(e) {
				console.log(e);
				this.updateGoodsCount(e)
				this.setBadge()
			},
			swipeActionClickHandler(goods) {
				// console.log(goods)
				this.removeGoodsById(goods.goods_id)
				// this.setBadge()
			}
		},
		
	}
</script>

<style lang="scss">
	.cart {
		padding-bottom: 50px;
	}
	.cart-title {
		height: 40px;
		display: flex;
		align-items: center;
		padding-left: 5px;
		border-bottom: 1px solid #efefef;
		
		.cart-title-text {
			font-size: 14px;
			margin-left: 10px;
		}
	}
	
	.empty-cart {
		display: flex;
		flex-direction: column;
		justify-content: start;
		align-items: center;
		padding-top: 150px;
		.empty-img {
			display: block;
			width: 90px;
			height: 90px;
		}
		
		.tip-text {
			font-size: 12px;
			color: gray;
			margin-top: 15px;
		}
	}
</style>
